;;; EMACS init file -*- lexical-binding:t -*-

(require 'package)
(add-to-list 'package-archives
             '("melpa" . "https://melpa.org/packages/"))
(package-initialize)

(setq use-package-always-ensure t
      use-package-always-defer t
      use-package-expand-minimally t)
(require 'use-package)

(let ((emacs-tmp-dir (expand-file-name (format "emacs%d" (user-uid))
                                       temporary-file-directory)))
  (setq auto-save-file-name-transforms `((".*" ,emacs-tmp-dir t))
        auto-save-list-file-prefix emacs-tmp-dir
        backup-directory-alist (setq undo-tree-history-directory-alist
                                     `((".*" . ,emacs-tmp-dir)))
        org-preview-latex-image-directory (expand-file-name "ltximg" emacs-tmp-dir)))

(setq backup-by-copying t
      inhibit-splash-screen t
      custom-file (expand-file-name "custom.el" temporary-file-directory))

(use-package auto-package-update
  :custom
  (auto-package-update-prompt-before-update t)
  (auto-package-update-show-preview t)
  (auto-package-update-delete-old-versions t)
  :config
  (auto-package-update-at-time "05:00"))

(use-package undo-fu
  :demand t
  :config
  (global-unset-key (kbd "C-z"))
  (global-set-key (kbd "C-z") #'undo-fu-only-undo)
  (global-set-key (kbd "C-S-z") #'undo-fu-only-redo))

(defun my-meow-undo (arg)
  "Same as meow-undo, but uses undo-fu to redo if negative prefix"
  (interactive "P")
  (when (region-active-p)
    (meow--cancel-selection))
  (let ((numeric-prefix (prefix-numeric-value arg)))
    (if (meow--with-negative-argument-p arg)
        (undo-fu-only-redo (abs numeric-prefix))
      (undo-fu-only-undo numeric-prefix))))
(use-package meow
  :demand t
  :config
  (setq meow-cheatsheet-layout meow-cheatsheet-layout-qwerty)
  (meow-motion-overwrite-define-key '("j" . meow-next)
                                    '("k" . meow-prev)
                                    '("<escape>" . ignore))
  (meow-leader-define-key '("j" . "H-j")
                          '("k" . "H-k")
                          '("1" . meow-digit-argument) 
                          '("2" . meow-digit-argument)
                          '("3" . meow-digit-argument)
                          '("4" . meow-digit-argument)
                          '("5" . meow-digit-argument)
                          '("6" . meow-digit-argument)
                          '("7" . meow-digit-argument)
                          '("8" . meow-digit-argument)
                          '("9" . meow-digit-argument)
                          '("0" . meow-digit-argument)
                          '("/" . meow-keypad-describe-key)
                          '("?" . meow-cheatsheet))
  (meow-normal-define-key '("0" . meow-expand-0)
                          '("9" . meow-expand-9)
                          '("8" . meow-expand-8)
                          '("7" . meow-expand-7)
                          '("6" . meow-expand-6)
                          '("5" . meow-expand-5)
                          '("4" . meow-expand-4)
                          '("3" . meow-expand-3)
                          '("2" . meow-expand-2)
                          '("1" . meow-expand-1)
                          '("-" . negative-argument)
                          '(";" . meow-reverse)
                          '("," . meow-inner-of-thing)
                          '("." . meow-bounds-of-thing)
                          '("[" . meow-beginning-of-thing)
                          '("]" . meow-end-of-thing)
                          '("a" . meow-append)
                          '("A" . meow-open-below)
                          '("b" . meow-back-word)
                          '("B" . meow-back-symbol)
                          '("c" . meow-change)
                          '("d" . meow-delete)
                          '("D" . meow-backward-delete)
                          '("e" . meow-next-word)
                          '("E" . meow-next-symbol)
                          '("f" . meow-find)
                          '("g" . meow-cancel-selection)
                          '("G" . meow-grab)
                          '("h" . meow-left)
                          '("H" . meow-left-expand)
                          '("i" . meow-insert)
                          '("I" . meow-open-above)
                          '("j" . meow-next)
                          '("J" . meow-next-expand)
                          '("k" . meow-prev)
                          '("K" . meow-prev-expand)
                          '("l" . meow-right)
                          '("L" . meow-right-expand)
                          '("m" . meow-join)
                          '("n" . meow-search)
                          '("N" . meow-pop-search)
                          '("o" . meow-block)
                          '("O" . meow-to-block)
                          '("p" . meow-yank)
                          '("q" . meow-quit)
                          '("Q" . meow-goto-line)
                          '("r" . meow-replace)
                          '("R" . meow-swap-grab)
                          '("s" . meow-kill)
                          '("t" . meow-till)
                          '("u" . my-meow-undo)
                          '("U" . meow-undo-in-selection)
                          '("v" . meow-visit)
                          '("w" . meow-mark-word)
                          '("W" . meow-mark-symbol)
                          '("x" . meow-line)
                          '("X" . meow-goto-line)
                          '("y" . meow-save)
                          '("Y" . meow-sync-grab)
                          '("z" . meow-pop-selection)
                          '("'" . repeat)
                          '("<escape>" . ignore))
  (meow-global-mode))

(use-package ace-window
  :bind ("C-c w" . ace-window)
  :custom-face
  (aw-leading-char-face ((t (:foreground "#181926" :background "#ed8796" ; crust, red
                                         :weight bold))))
  (aw-background-face ((t (:foreground "#8087a2"))))                     ; overlay1
  :custom
  (aw-keys '(?a ?w ?e ?f ?g ?h ?j ?k ?l ?p))
  (aw-dispatch-always t)
  :config
  (dolist (c aw-dispatch-alist)
    (cond ((eq (car c) ?j) (setcar c ?J))
          ((eq (car c) ?v) (setcar c ?s) (setcar (nthcdr 2 c) "Split Window"))
          ((eq (car c) ?b) (setcar c ?v) (setcar (nthcdr 2 c) "Vertical Split")))))

(use-package goggles
  :hook ((prog-mode text-mode) . goggles-mode)
  :config
  (setq-default goggles-pulse t)
  (with-eval-after-load 'catppuccin-theme
    (face-spec-set 'goggles-added `((t (:background ,(catppuccin-get-color 'green)))))
    (face-spec-set 'goggles-removed `((t (:background ,(catppuccin-get-color 'red)))))
    (face-spec-set 'goggles-changed `((t (:background ,(catppuccin-get-color 'blue)))))))

(use-package treesit
  :ensure nil
  :init
  (add-to-list 'major-mode-remap-alist '(sh-mode . bash-ts-mode))
  (add-to-list 'major-mode-remap-alist '(css-mode . css-ts-mode))
  (add-to-list 'major-mode-remap-alist '(c-mode . c-ts-mode))
  (add-to-list 'major-mode-remap-alist '(c++-mode . c++-ts-mode))
  (add-to-list 'major-mode-remap-alist '(csharp-mode . csharp-ts-mode))
  (add-to-list 'major-mode-remap-alist '(java-mode . java-ts-mode))
  (add-to-list 'major-mode-remap-alist '(python-mode . python-ts-mode))
  (add-to-list 'major-mode-remap-alist '(ruby-mode . ruby-ts-mode))
  (add-to-list 'major-mode-remap-alist '(js-mode . js-ts-mode))
  (add-to-list 'major-mode-remap-alist '(js-json-mode . json-ts-mode))
  :custom
  (treesit-extra-load-path `(,(expand-file-name "tree-sitter-module/dist/"
                                                user-emacs-directory))))

(use-package dtrt-indent
  :demand t
  :config
  (dtrt-indent-global-mode))

(use-package aggressive-indent
  :hook (lispyville-mode
         nix-mode
         org-mode))

(use-package rainbow-delimiters
  :hook prog-mode)

(use-package which-key
  :demand t
  :custom
  (which-key-idle-delay 0.2)
  :config
  (which-key-mode))

(use-package orderless
  :demand t
  :custom
  (completion-styles '(orderless basic))
  (completion-category-defaults nil)
  (completion-category-overrides '((file (styles partial-completion)))))

(use-package marginalia
  :demand t
  :after vertico
  :bind (:map minibuffer-local-map
              ("M-a" . marginalia-cycle))
  :config
  (marginalia-mode))

(use-package vertico
  :demand t
  :config
  (vertico-mode)
  (vertico-mouse-mode))

(use-package yasnippet)
(use-package yasnippet-snippets)

(use-package all-the-icons
  :demand t)

(use-package all-the-icons-completion
  :after (marginalia all-the-icons)
  :hook (marginalia-mode . all-the-icons-completion-marginalia-setup)
  :init
  (all-the-icons-completion-mode))

(use-package treemacs
  :commands treemacs)
(use-package treemacs-all-the-icons
  :demand t
  :after treemacs
  :config
  (treemacs-load-theme 'all-the-icons))

(use-package doom-modeline
  :demand t
  :custom
  (doom-modeline-fn-alist (--map
                           (cons (remove-pos-from-symbol (car it)) (cdr it))
                           doom-modeline-fn-alist))
  :config
  (doom-modeline-mode))

(use-package dirvish
  :demand t
  :after dired
  :custom
  (dirvish-attributes '(all-the-icons))
  :config
  (dirvish-override-dired-mode))

(use-package pdf-tools
  :mode ("\\.pdf\\'" . pdf-view-mode)
  :config
  (pdf-tools-install))

(defun set-text-modes-font ()
  (interactive)
  (setq buffer-face-mode-face '(:family "DejaVu Sans Mono" :height 105)
        line-spacing 0.4)
  (buffer-face-mode))

(use-package org
  :mode ("\\.org$" . org-mode)
  :hook ((org-mode . org-indent-mode)
         (org-mode . flyspell-mode)
         (org-mode . auto-fill-mode)
         (org-mode . set-text-modes-font))
  :custom
  (org-list-allow-alphabetical t)
  (org-hide-emphasis-markers t)
  (org-pretty-entities t)
  ;; NixOS minimal LaTeX setup
  (org-latex-compiler "lualatex")
  (org-preview-latex-default-process 'dvisvgm)
  :config
  (setq org-format-latex-options (plist-put org-format-latex-options :scale 1.1)))

(use-package org-superstar
  :custom
  (org-superstar-leading-bullet ?\s)
  :hook org-mode)

(use-package org-pdftools
  :hook (org-mode . org-pdftools-setup-link))

(use-package editorconfig
  :demand t
  :config
  (editorconfig-mode))

(use-package nix-mode
  :mode "\\.nix'")

(use-package markdown-mode
  :mode ("README\\.md\\'" . gfm-mode)
  :custom
  (markdown-command '("pandoc" "--from=markdown" "--to=html5")))

(use-package minimap
  :commands minimap-mode
  :custom-face
  (minimap-active-region-background ((t (:background nil :inherit hl-line))))
  :hook (minimap-sb-mode . turn-on-solaire-mode))

(use-package magit
  :hook ((git-commit-setup . git-commit-turn-on-flyspell)
         (git-commit-setup . git-commit-turn-on-auto-fill)))

(use-package tramp
  :custom
  (remote-file-name-inhibit-cache nil)
  (tramp-verbose 1)
  :config
  (setq vc-ignore-dir-regexp (format "%s\\|%s"
                                     vc-ignore-dir-regexp
                                     tramp-file-name-regexp)))

(use-package vterm
  :hook (vterm-mode . my-inhibit-hl-line-mode)
  :config
  (with-eval-after-load 'meow
    (defvar meow-vterm-normal-mode-map
      (let ((map (make-sparse-keymap)))
        (define-key map (kbd "RET") #'vterm-send-return) map))
    (setq vterm-keymap-exceptions '("C-c"))
    (define-key vterm-mode-map (kbd "C-c ESC") #'vterm-send-escape)
    (dolist (c '((yank . vterm-yank)
                 (xterm-paste . vterm-xterm-paste)
                 (yank-pop . vterm-yank-pop)
                 (mouse-yank-primary . vterm-yank-primary)
                 (self-insert-command . vterm--self-insert)
                 (beginning-of-defun . vterm-previous-prompt)
                 (end-of-defun . vterm-next-prompt)))
      (define-key meow-vterm-normal-mode-map (vector 'remap (car c)) (cdr c)))
    (add-hook 'vterm-mode-hook
              (lambda ()
                (add-hook 'meow-insert-enter-hook
                          (lambda ()
                            (use-local-map vterm-mode-map)
                            (vterm-goto-char (point)))
                          nil t)
                (add-hook 'meow-insert-exit-hook
                          (lambda ()
                            (use-local-map meow-vterm-normal-mode-map))
                          nil t)))
    (add-to-list 'meow-mode-state-list '(vterm-mode . insert))))

(use-package elfeed
  :commands (elfeed elfeed-update)
  :custom
  (elfeed-feeds '(("https://archlinux.org/feeds/news/" arch-linux))))

(use-package xkcd
  :commands xkcd)

(use-package ligature
  :hook (prog-mode
         (ligature-mode . prettify-symbols-mode))
  :custom
  (prettify-symbols-unprettify-at-point t)
  :config
  (ligature-set-ligatures 'prog-mode '("|||>" "<|||" "<==>" "<!--" "####" "~~>" "***" "||=" "||>"
                                       ":::" "::=" "=:=" "===" "==>" "=!=" "=>>" "=<<" "=/=" "!=="
                                       "!!." ">=>" ">>=" ">>>" ">>-" ">->" "->>" "-->" "---" "-<<"
                                       "<~~" "<~>" "<*>" "<||" "<|>" "<$>" "<==" "<=>" "<=<" "<->"
                                       "<--" "<-<" "<<=" "<<-" "<<<" "<+>" "</>" "###" "#_(" "..<"
                                       "..." "+++" "/==" "///" "_|_" "www" "&&" "^=" "~~" "~@" "~="
                                       "~>" "~-" "**" "*>" "*/" "||" "|}" "|]" "|=" "|>" "|-" "{|"
                                       "[|" "]#" "::" ":=" ":>" ":<" "$>" "==" "=>" "!=" "!!" ">:"
                                       ">=" ">>" ">-" "-~" "-|" "->" "--" "-<" "<~" "<*" "<|" "<:"
                                       "<$" "<=" "<>" "<-" "<<" "<+" "</" "#{" "#[" "#:" "#=" "#!"
                                       "##" "#(" "#?" "#_" "%%" ".=" ".-" ".." ".?" "+>" "++" "?:"
                                       "?=" "?." "??" ";;" "/*" "/=" "/>" "//" "__" "~~" "(*" "*)"
                                       "\\\\" "://")))

(use-package gruvbox-theme)
(use-package catppuccin-theme
  :custom
  (catppuccin-flavor 'macchiato))

(defun load-theme-with-solaire ()
  (load-theme 'catppuccin t)
  (catppuccin-reload)
  (solaire-global-mode)
  (when (daemonp)
    (remove-hook 'server-after-make-frame-hook #'load-theme-with-solaire)))

(use-package solaire-mode
  :demand t
  :custom
  (solaire-mode-real-buffer-fn (lambda ()
                                 (and (solaire-mode-real-buffer-p)
                                      (or (custom-theme-enabled-p 'gruvbox)
                                          (not (member 'minimap-sb-mode
                                                       local-minor-modes))))))
  :config
  (if (daemonp)
      (add-hook 'server-after-make-frame-hook #'load-theme-with-solaire)
    (load-theme-with-solaire)))

(use-package emacs-everywhere
  :load-path "~/emacs-everywhere"
  :commands emacs-everywhere)

(use-package ffap
  :demand t
  :config
  (ffap-bindings))

(use-package tool-bar
  :ensure nil
  :config
  (tool-bar-mode 0))
(use-package menu-bar
  :ensure nil
  :config
  (menu-bar-mode 0))
(use-package scroll-bar
  :ensure nil
  :config
  (scroll-bar-mode 0))

(setq pixel-scroll-precision-large-scroll-height 40)
(pixel-scroll-precision-mode)

(setcar mouse-wheel-scroll-amount 3)

(setq server-client-instructions nil
      scroll-step 1
      scroll-margin 8
      scroll-conservatively 9999
      python-indent-guess-indent-offset nil
      read-file-name-completion-ignore-case t
      read-buffer-completion-ignore-case t
      completion-ignore-case t
      sentence-end-double-space nil)

(setq-default c-basic-offset 4
              tab-width 4
              fill-column 80)
(add-hook 'python-mode-hook (lambda () (setq tab-width 4)))

(global-hl-line-mode)
(defun my-inhibit-hl-line-mode ()
  (setq-local global-hl-line-mode nil))

(defun my-relative-linenum ()
  (setq display-line-numbers 'relative))
(dolist (hook '(prog-mode-hook
                text-mode-hook
                conf-mode-hook
                org-mode-hook))
  (add-hook hook #'my-relative-linenum))

(defun my-use-spaces-for-indent ()
  (setq indent-tabs-mode nil))
(dolist (hook '(emacs-lisp-mode-hook
                lisp-mode-hook
                scheme-mode-hook
                clojure-mode-hook))
  (add-hook hook #'my-use-spaces-for-indent))

(add-hook 'prog-mode-hook #'electric-pair-local-mode)
(add-hook 'eval-expression-minibuffer-setup-hook #'electric-pair-local-mode)

(defun scroll-down-3 ()
  "Scrolls down by 3"
  (interactive)
  (scroll-down 3))

(defun scroll-up-3 ()
  "Scrolls up by 3"
  (interactive)
  (scroll-up 3))

(defun frame-make-detect-term (frame)
  "Check when frames are made in order to make terminal-only configurations"
  (unless (display-graphic-p frame)
    (xterm-mouse-mode)
    (global-set-key (kbd "<mouse-4>") #'scroll-down-3)
    (global-set-key (kbd "<mouse-5>") #'scroll-up-3)
    (setq after-make-frame-functions
          (remove 'frame-make-detect-term after-make-frame-functions))))

(add-to-list 'after-make-frame-functions #'frame-make-detect-term)

(defun my-sudo-edit ()
  "Edit current file as root."
  (interactive)
  (unless (and buffer-file-name
               (file-writable-p buffer-file-name))
    (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))

(add-to-list 'auto-mode-alist '("\\.yuck\\'" . lisp-mode))
(add-to-list 'auto-mode-alist '("flake\\.lock\\'" . js-json-mode))

(when (daemonp)
  (with-current-buffer "*scratch*"
    (cd "~/")))